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Fix UB "shift-out-of-bounds" in battlestar

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OK millert@
This commit is contained in:
gnezdo 2022-02-05 23:00:20 +00:00
parent 509b4fc58d
commit 4f2e04b490
1 changed files with 4 additions and 4 deletions
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8
games/battlestar/extern.h
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@ -1,4 +1,4 @@
/* $OpenBSD: extern.h,v 1.21 2019/05/09 20:19:23 tedu Exp $ */ /* $OpenBSD: extern.h,v 1.22 2022/02/05 23:00:20 gnezdo Exp $ */
/* $NetBSD: extern.h,v 1.5 1995/04/24 12:22:18 cgd Exp $ */ /* $NetBSD: extern.h,v 1.5 1995/04/24 12:22:18 cgd Exp $ */
/* /*
@ -39,9 +39,9 @@
#define OUTSIDE (position > 68 && position < 246 && position != 218) #define OUTSIDE (position > 68 && position < 246 && position != 218)
#define rnd(x) arc4random_uniform(x) #define rnd(x) arc4random_uniform(x)
#define max(a,b) ((a) < (b) ? (b) : (a)) #define max(a,b) ((a) < (b) ? (b) : (a))
#define TestBit(array, index) (array[index/BITS] & (1 << (index % BITS))) #define TestBit(array, index) (array[index/BITS] & (1U << (index % BITS)))
#define SetBit(array, index) (array[index/BITS] |= (1 << (index % BITS))) #define SetBit(array, index) (array[index/BITS] |= (1U << (index % BITS)))
#define ClearBit(array, index) (array[index/BITS] &= ~(1 << (index % BITS))) #define ClearBit(array, index) (array[index/BITS] &= ~(1U << (index % BITS)))
/* /*
* These macros yield words to use with objects (followed but not preceded * These macros yield words to use with objects (followed but not preceded
* by spaces, or with no spaces if the expansion is the empty string). * by spaces, or with no spaces if the expansion is the empty string).